Home / 1,341,123.40-2,011,685.10-541,993.60

Finding the Fourth Proportional to 1,341,123.40, 2,011,685.10 and 541,993.60

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Solution

The fourth proportional to 1,341,123.40, 2,011,685.10 and 541,993.60 is: 812,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,123.40 : 2,011,685.10 = 541,993.60 : x
  2. Step 2: Convert to fraction form
    1,341,123.40/2,011,685.10 = 541,993.60/x
  3. Step 3: Cross multiply
    1,341,123.40x = 2,011,685.10 × 541,993.60
  4. Step 4: Simplify right side
    1,341,123.40x = 1,090,320,449,415.36
  5. Step 5: Solve for x
    x = 1,090,320,449,415.36/1,341,123.40
  6. Step 6: Final answer
    x = 812,990.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.